output
20122026
most citedModeling Radicalization Phenomena in Heterogeneous Populations

71 citations

21 papers

cond-mat.stat-mech2026

Two stroke Pumping Technique for Many-Body Systems

Serge Galam

I introduce a new analytical framework for estimating critical temperatures in interacting many-body systems, focusing on the Ising model. Combining the Bethe cluster setting, the…

physics.soc-ph2023★ 25 cited

Unanimity, Coexistence and Rigidity: Three Sides of Polarization

Serge Galam

Political polarization is perceived as a threat to democracies. Using the Galam model of opinion dynamics deployed in a five-dimensional parameter space, I show that polarization i…

physics.soc-ph2022★ 19 cited

Opinion Dynamics and Unifying Principles: A Global Unifying Frame

Serge Galam

I review and extend the set of unifying principles, which allow comparing all models of opinion dynamics within one single frame. Within the Global Unifying Frame (GUF), any specif…

physics.soc-ph2021★ 7 cited

After 2018 Bolsonaro victory, is a 2022 remake feasible?

Nuno Crokidakis, Serge Galam

We propose a contagion model to describe the evolution of the political voting trends in Brazil after the dictatorship from 1985 to nowadays. We consider a fully-connected populati…

physics.soc-ph2021★ 12 cited

Radicalism: The asymmetric stance of Radicals versus Conventionals

Serge Galam, Richard Brooks

We study the conditions of propagation of an initial emergent practice qualified as extremist within a population adept at a practice perceived as moderate, whether political, soci…

physics.soc-ph2021★ 11 cited

Deviations from the Majority: A Local Flip Model

Gabor Toth, Serge Galam

We study the effect of probabilistic distortions to the local majority rules used in the Galam model of opinion dynamics and bottom-up hierarchical voting. A different probability…

physics.soc-ph2020★ 12 cited

Will Trump win again in the 2020 election? An answer from a sociophysics model

Serge Galam

This paper predicting Trump victory has been submitted before the election and revised after, allowing to add a Foreword and Note Added in Revision to discuss in details the causes…

physics.soc-ph2019★ 13 cited

Asymmetric contrarians in opinion dynamics

Serge Galam, Taksu Cheon

Asymmetry in contrarian behavior is investigated within the Galam model of opinion dynamics using update groups of size 3 with two competing opinions A and B. Denoting and …

cs.DL2019★ 6 cited

Crediting multi-authored papers to single authors

Anna Tietze, Serge Galam, Philip Hofmann

A fair assignment of credit for multi-authored publications is a long-standing issue in scientometrics. In the calculation of the -index, for instance, all co-authors receive eq…

cs.DM2019★ 20 cited

Fake news and rumors: a trigger for proliferation or fading away

Ahad N. Zehmakan, Serge Galam

The dynamics of fake news and rumor spreading is investigated using a model with three kinds of agents who are respectively the Seeds, the Agnostics and the Others. While Seeds are…

physics.soc-ph2019★ 41 cited

Tipping points in opinion dynamics: a universal formula in five dimensions

Serge Galam, Taksu Cheon

A universal formula is shown to predict the dynamics of public opinion including eventual sudden and unexpected outbreaks of minority opinions within a generic parameter space of f…

physics.soc-ph2018★ 14 cited

Dynamical Galam model

Taksu Cheon, Serge Galam

We introduce a model of temporal evolution of political opinions which amounts to a dynamical extension of Galam model in which the proportions of inflexibles are treated as dynami…

physics.soc-ph2016★ 52 cited

The Trump phenomenon, an explanation from sociophysics

Serge Galam

The Trump phenomenon is argued to depart from current populist rise in Europe. According to a model of opinion dynamics from sociophysics the machinery of Trump's amazing success o…

physics.soc-ph2016★ 16 cited

The invisible hand and the rational agent are behind bubbles and crashes

Serge Galam

The substantial turmoil created by both 2000 dot-com crash and 2008 subprime crisis has fueled the belief that the two classical paradigms of economics, which are the invisible han…

physics.soc-ph2015★ 1 cited

A case study of conspiracy theories about Charlie Hebdo terrorist attack

Natasa Golo

The results of the public opinion poll performed in January 2015, just after the terrorist attack on the French satirical weekly magazine Charlie Hebdo and the kosher supermarket i…

physics.soc-ph2015★ 2 cited

Testing the validity of the Kirkwood approximation using an extended Sznajd model

André Martin Timpanaro, Serge Galam

We revisit the deduction of the exit probability of the one dimensional Sznajd model through the Kirkwood approximation [F. Slanina et al., Europhys. Lett. 82, 18006 (2008)]. This…

physics.soc-ph2015★ 71 cited

Modeling Radicalization Phenomena in Heterogeneous Populations

Serge Galam, Marco Alberto Javarone

The phenomenon of radicalization is investigated within a mixed population composed of core and sensitive subpopulations. The latest includes first to third generation immigrants.…

physics.soc-ph2015★ 4 cited

Conspiratorial beliefs observed through entropy principles

Natasa Golo, Serge Galam

We propose a novel approach framed in terms of information theory and entropy to tackle the issue of conspiracy theories propagation. We start with the report of an event (such as…

q-fin.GN2014★ 5 cited

Communication impacting financial markets

Jorgen Vitting Andersen, Ioannis Vrontos, Petros Dellaportas +1

Behavioral finance has become an increasingly important subfield of finance. However the main parts of behavioral finance, prospect theory included, understand financial markets th…

physics.soc-ph2013★ 37 cited

From Public Outrage to the Burst of Public Violence: An Epidemic-Like Model

Sarwat Nizamani, Nasrullah Memon, Serge Galam

This study extends classical models of spreading epidemics to describe the phenomenon of contagious public outrage, which eventually leads to the spread of violence following a dis…

physics.soc-ph2012★ 20 cited

Between order and disorder: a 'weak law' on recent electoral behavior among urban voters?

Christian Borghesi, Jean Chiche, Jean-Pierre Nadal

A new viewpoint on electoral involvement is proposed from the study of the statistics of the proportions of abstentionists, blank and null, and votes according to list of choices,…